Sebastian Coe, IAAF's President, attends a press conference as part of the International Association of Athletics Federations (IAAF) council meeting in Monaco

Sebastian Coe, IAAF's President, attends a press conference as part of the International Association of Athletics Federations (IAAF) council meeting in Monaco, November 26, 2017. REUTERS/Jean-Pierre Amet

Sebastian Coe, IAAF's President, attends a press conference as part of the International Association of Athletics Federations (IAAF) council meeting in Monaco

Sebastian Coe, IAAF's President, attends a press conference as part of the International Association of Athletics Federations (IAAF) council meeting in Monaco, November 26, 2017. REUTERS/Jean-Pierre Amet

Sebastian Coe, IAAF's President, attends a press conference as part of the International Association of Athletics Federations (IAAF) council meeting in Monaco

Sebastian Coe, IAAF's President, attends a press conference as part of the International Association of Athletics Federations (IAAF) council meeting in Monaco, November 26, 2017. REUTERS/Jean-Pierre Amet

Butenko of Russia reacts in men's discus qualifying round during European Athletics Championships in Zurich

Viktor Butenko of Russia reacts during the men's discus qualifying round during the European Athletics Championships at the Letzigrund Stadium in Zurich August 12, 2014. REUTERS/Phil Noble

Second placed Gumenyuk of Russia celebrates on the podium after the women's Triple Jump event at the European Athletics Indoor Championships in Gothenburg

Second placed Irina Gumenyuk of Russia celebrates on the podium after the women's Triple Jump event at the European Athletics Indoor Championships in Gothenburg March 3, 2013. REUTERS/Pawel Kopczynski (SWEDEN - Tags: SPORT ATHLETICS)